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Which other process that is important in the recycling of carbon should be added to the list? A combustion B denitrification C evaporation D transpiration

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Answer: A. combustion

Explanation: During complete combustion, carbon and hydrogen react with oxygen (O2) to produce carbon-dioxide (CO2) and water (H2O). The carbon-dioxide produced is released into atmosphere and is utilized for carbon fixation and recycling.

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